Moving back and forth? That doesn't sound like debian-installer, so I think this bug should probably be reassigned somewhere else. Were you starting a desktop CD, by any chance? What version of Ubuntu, and what graphics hardware?
Moving back and forth? That doesn't sound like debian-installer, so I
think this bug should probably be reassigned somewhere else. Were you
starting a desktop CD, by any chance? What version of Ubuntu, and what
graphics hardware?